| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.internal.cache.tier.sockets.command; |
| |
| import java.io.IOException; |
| |
| import org.apache.geode.annotations.Immutable; |
| import org.apache.geode.internal.cache.EventID; |
| import org.apache.geode.internal.cache.tier.Command; |
| import org.apache.geode.internal.cache.tier.sockets.BaseCommand; |
| import org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier; |
| import org.apache.geode.internal.cache.tier.sockets.CacheClientProxy; |
| import org.apache.geode.internal.cache.tier.sockets.Message; |
| import org.apache.geode.internal.cache.tier.sockets.Part; |
| import org.apache.geode.internal.cache.tier.sockets.ServerConnection; |
| import org.apache.geode.internal.security.SecurityService; |
| |
| public class PeriodicAck extends BaseCommand { |
| |
| @Immutable |
| private static final PeriodicAck singleton = new PeriodicAck(); |
| |
| public static Command getCommand() { |
| return singleton; |
| } |
| |
| private PeriodicAck() {} |
| |
| @Override |
| public void cmdExecute(final Message clientMessage, final ServerConnection serverConnection, |
| final SecurityService securityService, long start) |
| throws IOException, ClassNotFoundException { |
| serverConnection.setAsTrue(REQUIRES_RESPONSE); |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Received periodic ack request ({} bytes) from {}", |
| serverConnection.getName(), clientMessage.getPayloadLength(), |
| serverConnection.getSocketString()); |
| } |
| try { |
| int numEvents = clientMessage.getNumberOfParts(); |
| boolean success = false; |
| CacheClientNotifier ccn = serverConnection.getAcceptor().getCacheClientNotifier(); |
| CacheClientProxy proxy = ccn.getClientProxy(serverConnection.getProxyID()); |
| if (proxy != null) { |
| proxy.getHARegionQueue().createAckedEventsMap(); |
| for (int i = 0; i < numEvents; i++) { |
| Part eventIdPart = clientMessage.getPart(i); |
| eventIdPart.setVersion(serverConnection.getClientVersion()); |
| EventID eid = (EventID) eventIdPart.getObject(); |
| success = ccn.processDispatchedMessage(serverConnection.getProxyID(), eid); |
| if (!success) |
| break; |
| } |
| } |
| if (success) { |
| proxy.getHARegionQueue().setAckedEvents(); |
| writeReply(clientMessage, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| } |
| |
| } catch (Exception e) { |
| writeException(clientMessage, e, false, serverConnection); |
| serverConnection.setAsTrue(RESPONDED); |
| } |
| |
| if (logger.isDebugEnabled()) { |
| logger.debug("{}: Sent periodic ack response for {}", serverConnection.getName(), |
| serverConnection.getSocketString()); |
| } |
| |
| } |
| |
| } |